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Thursday, April 16, 2015

Feast your eyes on the ultimate 308. PEUGEOT has unveiled a stunning new version of the compact family hatchback – with a combined 500 bhp and four-wheel drive.

Badged the PEUGEOT 308 R HYbrid, it has been developed by PEUGEOT Sport, the brand’s famous in-house engineering and racing division, which last year unveiled the critically acclaimed RCZ R. The car’s plug-in petrol hybrid powertrain results in a car capable of hitting 62mph (100km/h) in 4.0 seconds, yet still has astonishingly low CO2 emissions of 70g/km.

At the heart of the PEUGEOT 308 R HYbrid is a plug-in powertrain with four-wheel drive that develops 500hp. The unit combines three sources of power, each capable of moving the vehicle independently of the others. They are a four-cylinder 1.6-litre THP 270 S&S petrol engine, plus two electric motors – each with power of 85kW/115hp – mounted one on each axle. The front one is linked to the six-speed gearbox.

The result is a family hatchback which is capable of supercar performance. The PEUGEOT 308 R HYbrid can hit 62mph (100km/h) from a standing start in only 4.0 seconds, with top speed electronically limited to 155mph. In spite of such astonishing performance, CO2 emissions are just 70g/km.

“If we were able to reach this kind of performance on a C-segment, it is all down to our passion for a challenge and our desire for excellence. PEUGEOT 308 R HYbrid is part of a very select club of cars reaching 0-62mph in four seconds” says Jean-Philippe Delaire, PEUGEOT Sport Head of Development, 308 R HYbrid powertrain.

PEUGEOT Sport has been involved in every stage of development of the 308 R HYbrid, using its technical expertise and successful racing record to define the specifications of each component. For impeccable dynamic handling, the car’s weight has been optimised and placed as low as possible. The lithium-ion 3kWh battery has an excellent ratio between power and size, and is housed under the rear seats in place of the fuel tank. In turn, the 50-litre tank has been placed in the boot above the rear electric motor and two transformers.

The PEUGEOT Sport engineers have equipped the car with four driving modes:

Hot Lap mode is the most powerful, harnessing the full potential from the three power sources to reach a total of 500hp and maximum torque of 730Nm.

Track mode delivers 400hp and 530Nm, mainly from the petrol engine and the rear electric motor. The front electric motor serves as an additional booster when accelerating.

Road mode is specially designed for road use with power of 300hp and torque of 400Nm. The petrol engine delivers its full potential, while the rear electric motor helps during accelerations. The front electric motor is not used in this mode.

ZEV makes priority use of the rear electric motor. The front electric motor comes into play, depending on the pressure applied on the accelerator pedal.

The all-wheel drive system of the 308 R HYbrid makes for formidable handling, especially when coming out of the corners. The braking system is on a par with the car's performance, with 380mm ventilated discs at the front, gripped by four pistons, and 290mm discs to the rear. However, they are not used every time the brakes are applied, because PEUGEOT Sport has designed the powertrain to decelerate using the electric motors throughout the full speed range, starting at 155mph. Not only does this preserve the discs and pads, but uses regenerative braking to recharge the battery.

It is one of three recharging strategies. The second uses the front electric motor as a generator, driven by the petrol engine, while the third solution is a rapid recharging terminal restoring the battery to its maximum power in just 45 minutes.